100+ Questions on Chemical Bonding

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Tags

NGSS.MS-PS1-1

Atoms are electrically neutral when

• They have a minimal charge.

• They have a balanced number of protons and neutrons.

• They have a balanced number of protons and electrons.

• They have no valance electrons.

If an electron is removed, an ion becomes

• An atom

• Positive

• Negative

• Neutral

If an ion gains an electron, it becomes

• Positive

• Stable

• Atomic

• Negative

Cations have what type of charge?

• Positive

• Negative

Which of the following about cations is correct?

• Cations where named after cats.

• Cations form when an atom has a mostly empty outer shell.

• Cations are only non-metals.

• Cations are mostly negative.

Tags

NGSS.HS-PS1-2

Anions have which type of charge?

• Positive

• Negative

Anions occur when

• The inner shell is full.

• The outer shell is almost full.

• The outer shell is full.

• There is no outer shell.

ALL anions are

• Metal

• Transitional Metals

• Nobel Gases

• Non-Metal